• François Seydoux (1767–1819), bourgeois of
Vevey • Charles Seydoux (1796–1875), promoter of the wool industry in
Le Cateau-Cambrésis, deputy of
Nord, Commandeur of the
Legion of Honour, married to Louisa Gourgas • Anna Seydoux (1829–1916), wife of the manufacturer Paul Bacot • Élise Seydoux (1832–1893), wife of General Pierre Hippolyte Publius Renault • Auguste Seydoux (1836–1890), diplomat •
Jacques Seydoux (1870–1929), diplomat and economist, husband in 1902 of Mathilde
Fornier de Clausonne (1880–1971) • René Seydoux Fornier de Clausonne (1903–1973), geophysicist, secretary general of the
École libre des sciences politiques from 1928 to 1937, president of
Schlumberger, founder of the Université méditerranéenne d'été, married to Geneviève Schlumberger (daughter of
Marcel Schlumberger), who created the Fondation René-Seydoux • Véronique Seydoux Fornier de Clausonne, wife of Philippe Rossillon •
Jérôme Seydoux (born 1934), businessman,
PDG of
Pathé, Officier of the
Legion of Honour, husband of Hélène Zumbiehl (remarried to Sophie Desserteaux) • Henri Seydoux (born 1960), businessman, co-founder and president of
Parrot, shareholder of
Christian Louboutin, member of the board of directors of Schlumberger, husband of his cousin Valérie Schlumberger (remarried to
Farida Khelfa) •
Léa Seydoux (born 1985), actress •
Camille Seydoux (born 1982), stylist • Nicolas Seydoux (born 1939), businessman, PDG of
Gaumont, Officier and Commandeur of the
Legion of Honour. •
Sidonie Dumas (born 1967), director general of
Gaumont. •
Michel Seydoux (born 1947), businessman, producer and cinema administrator, former president of the football club
LOSC Lille Métropole, Chevalier of the
Ordre des Arts et des Lettres •
François Seydoux de Clausonne (1905–1981), diplomat and
conseiller d'État, Grand Officier of the
Legion of Honour • Liliane Seydoux Fornier de Clausonne (born 1932), wife of
Pierre Peugeot • Laurence Seydoux Fornier de Clausonne, wife of Daniel Fries, university doctor •
Fabrice Fries (born 1960), married in 1997 to Fabrizia Benini •
Charles Fries (born 1962), diplomat • Mathilde Fries, wife of Olaf Raviot de Saint-Anthost • Jacques Seydoux Fornier de Clausonne (born 1936), banker, established
Paribas bank in Monaco, worked at
J.P. Morgan and
David de Rothschild, and served as managing director of the
Société des Bains de Mer de Monaco •
Balthazar Seydoux (born 1971), husband of Annabelle Jaeger,
national councilor of Monaco and professional headhunter • Tigrane Seydoux Fornier de Clausonne, PDG of the
Big Mamma restaurant group. • Georgette Seydoux Fornier de Clausonne (1906–1995), husband of the engineer and industrialist Philippe Coste (1904–1974) •
Roger Seydoux (1908–1985), diplomat, director of the
École libre des sciences politiques then of the
Institut d'études politiques de Paris, president of the
Fondation de France • Éric Seydoux (1946–2013), screen printer, art publisher, Officier of the
Ordre des Arts et des Lettres. • Auguste Seydoux (1801–1878), manufacturer, mayor of Le Cateau, general councilor of Nord. • Angélique Seydoux (1823–1883), wife of Henri Sieber, regent of the
Bank of France. • Charles Seydoux (1827–1896), textile industrialist, president of the
General Council of Nord from 1892 to 1896 • Ernest Seydoux (1860–1942), husband of Lucie Ducimetière-Monod, industrialist. • Alfred Seydoux (1862–1911), husband of Alice de Mallmann, industrialist, regent of the
Bank of France, general councilor of the North. • Marie-Louise Seydoux (1891–1938), wife of Pierre Mussat. • Jeanne Seydoux (1893–1961), wife of Jean Poron. • Gisèle Seydoux (1898–1983), wife of André Doé de Maindrevile. • Henri Seydoux (1900–1965), husband of Marie Olivier, industrialist, general councilor of the Nord department. • Jaqueline Seydoux (1901–1977), wife of Donatien de La Roche Fordière. • Maurice Seydoux (1904–1944), husband of Christiane Duvette, secretary general of the
Conseil d'État. • Hélène Seydoux (1864–1930), wife of Ferdinand Roy (1856–1927), president of the Union des syndicats patronaux des industries textiles de France (son of
Gustave Emmanuel Roy) • Albert Seydoux (1866–1918), husband of Emma Krug,
Saint-Cyrien, industrialist, deputy of
Nord. • Georges Seydoux (1869–1928), husband of Louisa Krug. • Roland Seydoux (1917–1944), agricultural engineer, resistance fighter of the Réseau Alliance, died in deportation to
Natzweiler-Struthof. • André Seydoux (1871–1927), husband of Renée Bovet,
centralien, industrialist, chairman of the board of directors of the Caisse d'épargne du Cateau, general councillor of the Nord, vice president of the Union des syndicats patronaux des industries textiles de France. • Ronald Seydoux (1902–1991) • Harry Seydoux, wife of Maria Zulema Anze de Zamora • Stéphanie Seydoux (born 1967), ambassador for global health, representative of France on the boards of
The Global Fund to Fight AIDS, Tuberculosis and Malaria and
UNITAID. • Madeleine Seydoux (1877–1939), wife of James Carmichael File:Album des députés au Corps législatif entre 1852-1857-Seydoux.jpg|Charles Seydoux (1796–1875) File:M. Seydoux, directeur politique adjoint au Quai d'Orsay.png|Jacques Seydoux, 1924 File:Nicolas Seydoux at 82nd Venice International Film Festival-1 (cropped).jpg|Nicolas Seydoux, 2025 File:TechCrunch Disrupt NY 2016 - Day 1 (26882399956) (cropped).jpg|Henri Seydoux, 2016 File:Léa Seydoux Cannes 2014 (cropped).jpg|
Léa Seydoux, 2014 ==See also==